Hinged shaft-coupling.



PATENTED MAY 7, 1907.

E. MOEWBS. HINGBD SHAFT COUPLING.

APPLICATION TILED FEB. 14, 1907.

ENTTED STATES PATENT @EETEE.

ERNST MOEWES, OF STUTTGART-CANNSTATT, GERMANY, ASSIGNOR TO DAIMLER MOTOREN GESELLSCHAFT, OF UN TERTURKHEIM STUTT- GART, GERMANY.

HINGED SHAFT-COUPLING.

Patented May '7, 1907.

Application filed February 14, 1907. Serial No. 357,374.

To ctZZ whom it may concern:

Be it known that I, ERNST MoEwEs, a subject of the King of Prussia, German Emperor, and a resident of Stuttgart-Cannstatt, in the Kingdom of WVurtemberg, German Empire, have invented certain new and useful lmprovements in Hinged Shaft-Couplings, of which the following is an exact specification.

My invention has for its purpose a hinged coupling or joint for shafts more especially for the main shaft of motor vehicles.

As known the main shaft of motor vehicles is subjected to torsional stresses and transverse stresses the latter being due to flexures of the vehicle frame. These flexures require the insertion of hinged mean part and different hinged joints have hitherto been inserted into the elongated motor shaft for the purpose of enabling the latter to follow the flexures of the frame. The known hinged shaft couplings however show the defect of transmitting badly axial forces occurring in the shaft and to avoid this drawback my invention is intended. To this effect I insert a hinge part into the elongated motor shaft and the one shaft end pushes with a globular piece against the adjacent part of the motor shaft. Of course it is not necessary to use such a mean part. It is suflicient to interrupt the elongated motor shaft and to oint both the adjacent ends in the manner as will now be fully described.

In order to make my invention more clear, I refer to the accompanying drawing, which represents the motor shaft in combination with the inserted hinge-part in a fragmentary longitudinal section.

a is the elongated motor shaft and b the mean-part inserted into the motor shaft and intended to be hinged to the latter. The one end of the mean-part b is provided with a flange f and with a globular surface 0. d is a cover bearing with a corresponding base on the globular face 0 of the part b and having a right-angled extremity d which embraces the flange f.

h are screw bolts which pass through bodies g having globular circumferential faces. These bodies 9 are located in holes of the flange f.

7c is the coupling part fixedly secured with the part of the shaft adjacent to the mean piece I). The flange i of the coupling part 7c is provided with holes and also the cover d is provided with such holes. The shaft of the screw bolt h fits snugly into the body 9 and the holes of the flange i and cover d.

Z is a globular head resting with its shank Z in a recess of the insertion b and abutting against the step plate m located within the coupling part 7c and secured to the shaft end by means of a screw bolt m.

The operation of the foregoing described structure will readily be understood. Due to the snugly fitting of the bolts h into the flange i the body 9 and cover d, the parts a and b are rigidly connected with each other and the shaft is very suitable for transmitting torsional stresses. Furthermore the head Z abuts against the solid step bearing m whereby the shaft of the motor is fit to transmit axial forces. Again the shaft can follow flexures of the carriage frame, due to the cover d bearing against the globular face 0 and the body g being located with its globular circumferential face in corresponding holes of the flange In this way torsional as well as compressive stresses can easily be transmitted from one motor shaft to the other and notwithstanding there IS a hingejoint between them.

Having now particularly described the na ture of my said invention, what I desire to secure by Letters Patent of the United States is 1. The hereindescribed hinge joint between two parts of a shaft, more especially of the elongated shaft of a motor vehicle, which consists of a flange (f) having a globular surface, a cover (d), a coupling part (7c), screw bolts (h) for connecting the coupling art (is), the flange (f) and the cover (d) which latter bears against the said globular surface, a headed part (Z) abutting against the adj acent shaft end.

2. The hereindescribed hinge joint between two parts of a shaft, more especially of the elongated shaft of a motor vehicle, which consists of a flange (f) made integral with one end of the motor shaft, and having a globular face, a cover (d) having a right-angled edge and bearing against the globular face of the flange (f), the coupling part (is) bearing against the said edge of the cover (d), bodies (g) located in recesses of flange (f) and having globular circumferential faces, screw bolts part (Hmounted in the recess of said mean (h) fitting snugly in recesses of the coupling part and a step plate (m) secured to said art (70), the cover (d) and the body (g) and a mean part and located Within the said couplieaded part (I) and a step-plate (m) against ling part.

3 which said headed part bears. In witness whereof I have hereunto set my 15 3. In the hereindescribed hinge-joint for hand in the presence of two witnesses. motor shafts, a mean piece having at one end ERNST MOEWES. a flange (f) with a globular surface (0) in com- Witnesses: bination with a coupling part (is) secured to I ROBERT UHLAND,

To the other end of said mean part and a headed ERNST EUTTERMAN. 

